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12 votes
12 votes
Find the area of this circle please.Use 3 for pi…Thank you

Find the area of this circle please.Use 3 for pi…Thank you-example-1
User DuMaurier
by
2.3k points

2 Answers

11 votes
11 votes
Your radius (r) =3ft

A=pi•r^2
A=3.14•3^2
A=3.14•9
A=28.26
User Tomas Sedovic
by
3.2k points
27 votes
27 votes

Answer:

27 ft^2

Explanation:

r = 3 ft (that's the radius)

and pi = 3

A = pi r^2

or

3 * r^2

plug in r = 3

so 3 * 3^2 = 3 * 9 = 27 ft^2

(note: 3^2 = 3 * 3. Squaring means we multiply the number by itself)

User ClarkXP
by
3.2k points